Aptitude and Reasoning Questions

Q:

In the question given below, two equations are provided. Solve the equations and establish the relationship between x and y

I. 2x2-13x-189=0 II. 2y2-3y-189=0

A) x>y B)  x≥y
C)  x<y D) x≤y
 
Answer & Explanation Answer:

Explanation:

I. 2x2 - 13x - 189 = 0 2x2 - 27x + 14x - 189 = 0 x(2x - 27) + 7(2x - 27) = 0 x = -7, 27/2

II. 2y2 - 3y - 189 = 0 2y2 - 21y + 18y - 189 = 0 y(2y - 21) + 9(2y - 21) = 0 y = -9, 21/2

When x, as well as y, have both positive and negative values then no relationship can be established between them because if we consider x to be positive then the negative value of y will be lesser than x. If we consider x to be negative then positive value of y will be greater than x.

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Filed Under: Simplification

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Q:

Some one rupee, 50 paisa and 25 paisa coins make up rupees 93.75 and their numbers are in the proportion of 3 : 4 : 5. Find the number of each type of coins?

A) 42, 56, 70 B) 45, 60, 75
C) 40, 70, 75 D) 46, 58, 75
 
Answer & Explanation Answer: B) 45, 60, 75

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

The mean of marks secured by 50 students in division A of class X is 61, 25 students of division B is 57 and that of 50 students of division C is 55. What will be the mean of marks of the students of three divisions of Class X?

A) 57.1 B) 56.4
C) 59.2 D) 57.8
 
Answer & Explanation Answer: D) 57.8

Explanation:
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Filed Under: Average
Exam Prep: Bank Exams

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Q:

25% discount is offered on an item. By applying a promo code the customer wins 22% cash back. What is the effective discount?

A) 41.5 percent B) 50.63 percent
C) 47 percent D) 27.5 percent
 
Answer & Explanation Answer: A) 41.5 percent

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

By what fraction selling price (S.P.) must be multiplied to get the cost price (C.P.) if the loss is 20% ?

A) 4/5 B) 8/5
C) 5/4 D) 6/5
 
Answer & Explanation Answer: C) 5/4

Explanation:
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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

The value of 2 Tan53°Cot37°-Cot80°Tan10° ?

A) 3 B) 2
C) 1 D) 0
 
Answer & Explanation Answer: C) 1

Explanation:
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

A) -98 B) -87
C) 18 D) 29
 
Answer & Explanation Answer: C) 18

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

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Q:

If a mirror placed on the line AB, then which is the right figure from the following?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

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